RN 42 bluetooth module - doesnt show in bluetooth

Wireless & IoT
1

Hi,

I’ve been trying to detect the rn-42 module via the bluetooth on my pc but to no avail.

The configuration is :

1,12,28,29 = GND they’re all shorted together and then we connect 29 to real ground.

11 = VDD

14 = TX

13 = RX

22 = connected to 10k resister which is connected to 1

We give the module power by connecting the vdd to the vcc of the arduino pro mini and the ground to the ground of the arduino pro min (3.3V, 8MHz)

what are we doing wrong?

what could go wrong ?

thanks

p.s this is for a project due in 5 days … help please

2

famta:
Hi,

I’ve been trying to detect the rn-42 module via the bluetooth on my pc but to no avail.

The configuration is :

1,12,28,29 = GND they’re all shorted together and then we connect 29 to real ground.

11 = VDD

14 = TX

13 = RX

22 = connected to 10k resister which is connected to 1

We give the module power by connecting the vdd to the vcc of the arduino pro mini and the ground to the ground of the arduino pro min (3.3V, 8MHz)

what are we doing wrong?

what could go wrong ?

thanks

p.s this is for a project due in 5 days … help please

Disconnect the pin 22. That pins reset the module to factory defaults, but it’s meant to work as a switch. Your direct and continuous connection to GND via Resistor it’s reseting the module all the time.

Let me know how that works for you.